from django.contrib import admin
from django import forms
from django.contrib.auth.models import Group
from django.contrib.auth.admin import UserAdmin as BaseUserAdmin
from django.contrib.auth.forms import ReadOnlyPasswordHashField
from assets import models
from django.http import HttpResponseRedirect


# Register your models here.

class UserCreationForm(forms.ModelForm):
    """A form for creating new users. Includes all the required
    fields, plus a repeated password."""
    password1 = forms.CharField(label='Password', widget=forms.PasswordInput)
    password2 = forms.CharField(label='Password confirmation', widget=forms.PasswordInput)

    class Meta:
        model = models.UserProfile
        fields = ('email', 'token')

    def clean_password2(self):
        # Check that the two password entries match
        password1 = self.cleaned_data.get("password1")
        password2 = self.cleaned_data.get("password2")
        if password1 and password2 and password1 != password2:
            raise forms.ValidationError("Passwords don't match")
        return password2

    def save(self, commit=True):
        # Save the provided password in hashed format
        user = super(UserCreationForm, self).save(commit=False)
        user.set_password(self.cleaned_data["password1"])
        if commit:
            user.save()
        return user


class UserChangeForm(forms.ModelForm):
    """A form for updating users. Includes all the fields on
    the user, but replaces the password field with admin's
    password hash display field.
    """
    password = ReadOnlyPasswordHashField(label="Password",
                                         help_text=("Raw passwords are not stored, so there is no way to see "
                                                    "this user's password, but you can change the password "
                                                    "using <a href=\"password/\">this form</a>."))

    class Meta:
        model = models.UserProfile
        fields = ('email', 'password', 'is_active', 'is_admin')

    def clean_password(self):
        # Regardless of what the user provides, return the initial value.
        # This is done here, rather than on the field, because the
        # field does not have access to the initial value
        return self.initial["password"]


class UserProfileAdmin(BaseUserAdmin):
    # The forms to add and change user instances
    form = UserChangeForm
    add_form = UserCreationForm

    # The fields to be used in displaying the User model.
    # These override the definitions on the base UserAdmin
    # that reference specific fields on auth.User.
    list_display = ('id', 'email', 'is_admin', 'is_active')
    list_filter = ('is_admin',)
    fieldsets = (
        (None, {'fields': ('email', 'password')}),
        ('Personal info', {'fields': ('department', 'tel', 'mobile', 'memo')}),
        ('API TOKEN info', {'fields': ('token',)}),
        ('Permissions', {'fields': ('is_active', 'is_admin')}),
        ('账户有效期', {'fields': ('valid_begin_time', 'valid_end_time')}),
        ('用户其它权限', {'fields': ('user_permissions', 'groups')}),
    )
    # add_fieldsets is not a standard ModelAdmin attribute. UserAdmin
    # overrides get_fieldsets to use this attribute when creating a user.
    add_fieldsets = (
        (None, {
            'classes': ('wide',),
            'fields': ('email', 'password1', 'password2', 'is_active', 'is_admin')}
         ),
    )
    search_fields = ('email',)
    ordering = ('email',)
    filter_horizontal = ("groups", "user_permissions")


class NewAssetApprovalZoneAdmin(admin.ModelAdmin):
    list_display = ('sn', 'asset_type', 'manufactory', 'model', 'cpu_model', 'cpu_count', 'cpu_core_count', 'ram_size',
                    'os_distribution', 'os_release', 'date', 'approved', 'approved_by', 'approved_date')
    actions = ['approve_selected_objects']

    def approve_selected_objects(modeladmin, request, queryset):
        selected = request.POST.getlist(admin.ACTION_CHECKBOX_NAME)
        # ct = ContentType.objects.get_for_model(queryset.model)
        return HttpResponseRedirect("/asset/new_assets/approval/?ids=%s" % (",".join(selected)))

    approve_selected_objects.short_description = "批准入库"


admin.site.register(models.UserProfile, UserProfileAdmin)
admin.site.register(models.Asset)
admin.site.register(models.Tag)
admin.site.register(models.Server)
admin.site.register(models.SecurityDevice)
admin.site.register(models.NetworkDevice)
admin.site.register(models.Software)
admin.site.register(models.CPU)
admin.site.register(models.Disk)
admin.site.register(models.NIC)
admin.site.register(models.RAM)
admin.site.register(models.RaidAdaptor)
admin.site.register(models.Manufactory)
admin.site.register(models.BusinessUnit)
admin.site.register(models.Contract)
admin.site.register(models.IDC)
admin.site.register(models.EventLog)
admin.site.register(models.NewAssetApprovalZone, NewAssetApprovalZoneAdmin)
